Amazon.com: KERTER for Huawei P20 Pro Battery Case, 6800mAh Charger Case Extended Battery for Huawei P20 Pro Rechargeable Battery Backup Power Bank Portable Charging Case - Black, WY-X01 : Cell Phones &
Battery for use with Huawei P20 Pro
Huawei P20 Pro Battery HB436486ECW CLT-L09, CLT-L29 - 3900mAh
Huawei P20 Pro (CLT-L29) Battery Cover Black 02351WRR